Are you in search of the ultimate Thunderbolt Ethernet adapter? Look no further! In this article, we will guide you through the top 11 best Thunderbolt Ethernet adapters available in 2023. With the rapid advancement in technology and the growing need for high-speed connectivity, Thunderbolt Ethernet adapters have become essential for professionals and gamers alike. Whether you require lightning-fast internet for your work or seamless online gaming experience, these adapters are designed to meet your needs. Stay tuned as we delve into the top-rated Thunderbolt Ethernet adapters and help you choose the perfect one for your setup.
Overall Score: 8.5/10
The Apple Thunderbolt to Gigabit Ethernet Adapter allows you to easily connect to a high-performance Gigabit Ethernet network. It is compatible with Thunderbolt-equipped Mac computers and supports 10/100/1000BASE-T networks. With a sleek design and small form factor, this adapter is a convenient solution for Mac users who need a reliable and fast Ethernet connection. The adapter requires OS X v10.7.4 or later. It provides a simple and hassle-free way to enjoy the benefits of a wired network connection on your Thunderbolt Mac.
Key Features
- Easily connect to a high-performance Gigabit Ethernet network
- Compatible with Thunderbolt-equipped Mac computers
- Supports 10/100/1000BASE-T networks
- Sleek and compact design
Specifications
- Dimension: 2.64Lx0.79Wx6.10H
Pros
- Fast and reliable Ethernet connection
- Small form factor
- No additional software required for Mac
- Provides a wired connection without using a USB port
Cons
- Expensive
- Misleading product photo
- Lack of feedback lights
The Apple Thunderbolt to Gigabit Ethernet Adapter is a great solution for Thunderbolt-equipped Mac users who need a fast and reliable Ethernet connection. It offers hassle-free setup and provides excellent performance. The small and compact design makes it easy to carry around, and the Thunderbolt connection ensures high-speed and stable network connectivity. While the adapter may be on the expensive side, it is a genuine Apple product with a proven track record. Overall, if you’re in need of a reliable wired network connection for your Thunderbolt Mac, this adapter is a solid choice.
Overall Score: 8/10
The USB C to Ethernet Adapter by uni is a reliable and efficient solution to connect USB-C devices to a wired network. With a stable connection speed of up to 1Gbps, this adapter supports large downloads and ensures uninterrupted internet browsing. It is designed for plug-and-play connection, providing gigabit ethernet connectivity even when wireless connectivity is inconsistent. The compact and lightweight design, along with the user-friendly non-slip design and braided nylon cable, makes it easy to use and durable. Compatible with a wide range of devices including MacBook Pro, MacBook Air, iPad Pro, Dell XPS, Surface Laptop, and more. Please note that it is not compatible with Nintendo Switch.
Key Features
- 1Gbps LAN to USB-C Adapter
- Reliable & Endurance Connectivity
- Compact and Lightweight Design
- Wide Compatibility
Specifications
- Color: Gray
- Dimension: 5.92Lx2.36Wx0.67H
Pros
- Stable and fast connection
- Easy to use and durable design
- Compatible with a wide range of devices
Cons
- Becomes hot after extended use
- Not compatible with Nintendo Switch
The USB C to Ethernet Adapter by uni offers a reliable and efficient solution for connecting USB-C devices to wired networks. With its stable and fast connection speed, user-friendly design, and wide compatibility, it is a great accessory for MacBook Pro, MacBook Air, and other USB-C devices. However, users should be aware that the adapter may become hot after extended use and it is not compatible with Nintendo Switch. Overall, if you are looking for an easy and convenient way to connect to a wired network, this adapter is a reliable choice.
Overall Score: 8/10
Extend or replace an RJ45 port for your devices with the UGREEN USB C to Ethernet Adapter. It offers a convenient and inexpensive way to connect to a wired network. With a data transfer speed of up to 1000Mbps, it ensures a stable network connection for various activities such as work, gaming, and HD video streaming. The adapter is plug and play, compatible with multiple devices including laptops, tablets, smartphones, and game consoles. It features a durable aluminum shell design for enhanced strength and heat dissipation. The UGREEN USB C to Ethernet Adapter is an excellent choice for reliable and fast Ethernet connectivity.
Key Features
- Extend a Network Port for Your Device
- 1000Mbps Hyper Speed
- Plug and Play
- Widely Compatible
- Built to Last
Specifications
- Color: Space Gray
- Dimension: 4.72Lx7.09Wx1.18H
Pros
- Convenient and inexpensive way to connect to a wired network
- Fast data transfer speed of up to 1000Mbps
- Plug and play, no drivers required
- Compatible with a wide range of devices
- Durable aluminum shell design
Cons
- Dependent on server speed for optimal performance
The UGREEN USB C to Ethernet Adapter is a reliable and efficient solution for extending or replacing an RJ45 port. With its fast data transfer speed and wide compatibility, it is suitable for various devices and network activities. The plug and play feature ensures easy and hassle-free installation. The durable design enhances its longevity and heat dissipation capabilities. While the adapter’s performance may depend on server speeds, it offers a convenient way to connect to a wired network without compromising on stability and speed. Overall, the UGREEN USB C to Ethernet Adapter is a worthwhile investment for those seeking reliable Ethernet connectivity.
Overall Score: 9/10
The USB C to Ethernet Adapter by ABLEWE provides a stable and reliable connection between USB-C devices and wired networks. With its Gigabit Ethernet port, it offers fast and efficient data transfer at speeds of up to 1000Mbps. This adapter is compatible with various USB-C devices, including MacBook Pro, iPad Pro, Dell XPS, and more. Its plug-and-play design ensures easy installation without the need for additional drivers or software. The durable aluminum case makes it reliable for consistent performance, even in situations where wireless connectivity is inconsistent. With its compact and lightweight design, this portable ethernet adapter is perfect for business travel, education, and entertainment.
Key Features
- LAN to USB-C Adapter – Supports stable connection between USB-C devices and wired network
- 1000Mbps Data Transfer – Provides fast and secure data transmission
- Stable Connection & Durable – Premium aluminum case design for reliability
- Wide Compatibility – Compatible with various USB-C laptops, tablets, and smartphones
- Portable Ethernet Adapter – Compact and lightweight for easy portability
Specifications
- Color: Grey
- Dimension: 9.64Lx0.98Wx0.75H
Pros
- Fast and efficient data transfer
- Easy installation and plug-and-play design
- Durable aluminum case
- Compatible with various USB-C devices
- Compact and portable
Cons
- Loose fit for some users
- May not work with all USB-C devices
The USB C to Ethernet Adapter by ABLEWE offers a reliable and efficient solution for connecting USB-C devices to wired networks. With its fast data transfer speeds and wide compatibility, it provides a seamless networking experience. The plug-and-play design and durable aluminum case make it a convenient and reliable choice. However, some users may experience a loose fit, and compatibility with all USB-C devices may vary. Overall, this adapter is a valuable accessory for those who require stable and high-speed network connectivity on their USB-C devices.
Overall Score: 8/10
The USB-C to Ethernet Adapter by Benfei is designed to provide reliable and endurance connectivity between USB-C devices and wired networks. It offers gigabit ethernet connectivity even in situations where wireless connectivity is inconsistent or overextended. With stable connection speeds up to 1 Gbps, this adapter takes your internet surfing to the next level. Its compact and lightweight design, along with a user-friendly non-slip feature, makes it easy to plug and unplug. The braided nylon cable ensures durability, while the premium aluminum casing provides better heat insulation. Compatible with various USB-C devices, this adapter is a versatile and practical solution for laptops, tablets, and smartphones. It comes with a complimentary small pouch, making it perfect for travel. With an exclusive 18-month warranty and excellent customer service, Benfei ensures long-term satisfaction.
Key Features
- Reliable & Endurance Connectivity
- Surfing at Full Speed
- Compact & Friendly Design
- Wide Compatibility
- 18 Month warranty
Specifications
- Color: Black
- Dimension: 0.39Lx0.39Wx0.39H
Pros
- Stable and reliable gigabit ethernet connectivity
- Compact and lightweight design with a non-slip feature
- Durable braided nylon cable and premium aluminum casing
- Wide compatibility with various USB-C devices
- Comes with an 18-month warranty
Cons
- Gets warm during operation
- Requires driver installation on certain mac OS versions
- May not be the best long-term solution
The USB-C to Ethernet Adapter by Benfei offers a reliable and convenient solution for connecting USB-C devices to wired networks. With its stable gigabit ethernet connectivity, compact design, and wide compatibility, this adapter enhances your internet surfing experience. The durable construction and complimentary small pouch make it perfect for travel. However, it is important to note that the adapter gets warm during operation and may require driver installation on certain macOS versions. While it serves as a great short-term solution, for long-term use, it may not be the most ideal option. Nevertheless, with an exclusive 18-month warranty and excellent customer service, the Benfei USB-C to Ethernet Adapter is worth considering.
Overall Score: 8.5/10
The Plugable 2.5G USB C and USB to Ethernet Adapter is a versatile 2-in-1 adapter that is compatible with USB-C Thunderbolt 3 or USB 3.0. It offers double the performance of traditional Gigabit Ethernet adapters for faster file transfers, smoother video conferencing, and seamless streaming. The hybrid 2-in-1 cable converts from USB-C to USB-A, ensuring that you always have the right connection. This adapter allows you to upgrade your network without updating your cables, as it works with Cat 5e cabling. It is compatible with Windows, macOS, and Linux operating systems. The adapter comes with a 2-year warranty and Seattle-based email support.
Score: 8.5/10
Key Features:
– Faster Than Gigabit
– Keep USB Universal
– Use Existing Cabling
– OS Compatibility
– 2 Year Warranty
Specifications:
– Color: Black
– Dimension: 2.95Lx1.38Wx0.59H
Pros:
– Double the performance of a traditional Gigabit Ethernet adapter
– 2-in-1 cable with USB-C to USB-A conversion
– Compatible with existing Cat 5e cabling
– Works with Windows, macOS, and Linux
– Backed by a 2-year warranty
Cons:
– Requires driver download and install on older OS and Kernel versions
– Some core features require driver install on macOS
Final Thoughts:
The Plugable 2.5G USB C and USB to Ethernet Adapter is a reliable and versatile adapter that offers faster network speeds and easy connectivity. Its 2-in-1 design ensures compatibility with both USB-C and USB-A, and it can upgrade your network without the need for new cables. While there may be some installation requirements for certain operating systems, the adapter delivers excellent performance once properly set up. Backed by a 2-year warranty, this adapter is a great choice for users who need faster network speeds and seamless connectivity.
Key Features
- Faster Than Gigabit – Double the performance of a traditional Gigabit Ethernet adapter
- Keep USB Universal – Hybrid 2-in-1 cable converts from USB-C to USB-A
- Use Existing Cabling – Upgrade your network without updating your cables
- OS Compatibility – Works with Windows, mac OS, and Linux
- 2 Year Warranty – Backed with a 2-year limited parts and labor warranty
Specifications
- Color: Black
- Dimension: 2.95Lx1.38Wx0.59H
Pros
- Double the performance of a traditional Gigabit Ethernet adapter
- 2-in-1 cable with USB-C to USB-A conversion
- Compatible with existing Cat 5e cabling
- Works with Windows, mac OS, and Linux
- Backed by a 2-year warranty
Cons
- Requires driver download and install on older OS and Kernel versions
- Some core features require driver install on mac OS
The Plugable 2.5G USB C and USB to Ethernet Adapter is a reliable and versatile adapter that offers faster network speeds and easy connectivity. Its 2-in-1 design ensures compatibility with both USB-C and USB-A, and it can upgrade your network without the need for new cables. While there may be some installation requirements for certain operating systems, the adapter delivers excellent performance once properly set up. Backed by a 2-year warranty, this adapter is a great choice for users who need faster network speeds and seamless connectivity.
Overall Score: 8/10
The WALNEW USB-C to Ethernet Adapter is a reliable and efficient solution for connecting USB-C devices to a wired network. It offers plug and play functionality, eliminating the need for additional software or drivers. With a fast data transfer rate of up to 1000Mbps, it provides a stable and reliable network connection. The adapter is compatible with various USB-C devices, including MacBooks, Dell XPS, Microsoft Surface, and Samsung Galaxy Tab. It features a stylish design with an aluminum shell and braided nylon, making it lightweight and portable. Despite potential concerns with random failures and static electricity, the positive customer ratings and reviews speak to its overall performance and usability.
Key Features
- -⭐USB C to Ethernet Adapter Plug&Play
- -⭐Fast Data Transfer Type C Ethernet Adapter
- -⭐Stable Performance USB C to Lan Adapter
- -⭐LAN to USB-C Adapter Wide Compatibility
- -⭐Stylish USB C Internet Ethernet Converter
Specifications
- Color: Grey
- Dimension: 2.05Lx0.89Wx0.55H
Pros
- Plug and play, no additional software or driver needed
- Fast transfer rate of up to 1000Mbps
- More stable and reliable network compared to Wi-Fi
- Compatible with various USB-C devices
- Lightweight and portable design
Cons
- Potential random failures
- May require caution with static electricity
The WALNEW USB-C to Ethernet Adapter is a reliable and efficient solution for connecting USB-C devices to wired networks. With its plug and play functionality, fast data transfer rate, and stable performance, it offers a seamless networking experience. The adapter’s wide compatibility makes it suitable for various devices including MacBooks, Dell XPS, Microsoft Surface, Samsung Galaxy Tab, and more. Its stylish design, featuring an aluminum shell and braided nylon, adds to its portability and durability. While there may be occasional concerns such as random failures and static electricity, the overall positive customer ratings and reviews make this adapter a recommended choice for those in need of a USB-C to Ethernet connectivity solution.
Overall Score: 8.5/10
The USB C to Ethernet Adapter by Vilcome is a versatile and compact hub that expands a single USB-C port to connect more devices. With a 1000Mbps RJ45 gigabit port and 3 USB 3.0 ports, this adapter allows for fast data transfer and simultaneous use of multiple peripheral devices. It provides access to superfast network speeds without the need for any drivers, making it compatible with various USB-C laptops, tablets, and phones. The Vilcome USB C Network Adapter is lightweight and durable, featuring a premium aluminum case design. Whether you need to connect to an Ethernet cable or expand your device connectivity, this adapter offers convenience and efficiency.
Key Features
- USB-C Hub Multiport Adapter with 4-in-1 functionality
- 1000Mbps RJ45 gigabit port and 3 USB 3.0 ports
- Plug and play – no drivers required
- Compatible with USB-C laptops, tablets, and phones
- Compact and lightweight design with premium aluminum case
Specifications
- Color: Grey
- Dimension: 3.62Lx0.99Wx0.75H
- Size: USB C to Ethernet
Pros
- Convenient and versatile hub
- Fast data transfer speeds
- No driver installation required
- Compatible with a wide range of devices
Cons
- May not be the best for travel due to its rigidity
The USB C to Ethernet Adapter by Vilcome is a reliable and efficient solution for connecting devices without Ethernet ports or expanding device connectivity. With its 4-in-1 functionality, it offers convenience and versatility by providing a 1000Mbps RJ45 gigabit port and 3 USB 3.0 ports. The plug and play feature ensures a hassle-free experience, and the compact design makes it easy to carry. The adapter’s compatibility with various USB-C devices further enhances its usability. While the rigid build may not be ideal for travel, it ensures durability and longevity. Overall, the Vilcome USB C to Ethernet Adapter is a valuable accessory for anyone seeking seamless connectivity and efficient data transfer.
Overall Score: 8/10
The MacBook Pro USB Adapter is a versatile hub that expands your MacBook Pro ports with a variety of connectivity options. It includes a 4K HDMI port for video streaming, USB 3.0 and USB 2.0 ports for external devices, a Gigabit Ethernet port for faster network connection, and an SD/TF card reader for easy file access. The adapter also features two USB-C ports, including one Thunderbolt 3 port with high-speed data transfer and power delivery capabilities. With its sleek aluminum design, it complements your MacBook Pro perfectly. Please note that this adapter is not compatible with laptop cases. Upgrade your MacBook Pro with this convenient and reliable USB C multiport adapter hub.
Key Features
- USB C HUB 8 in 1 with multiple port options
- 4K HDMI port for video streaming
- USB 3.0 ports for external devices
- Gigabit Ethernet port for faster network connection
- SD/TF card reader for easy file access
- Two USB-C ports including Thunderbolt 3 for high-speed data transfer and power delivery
- Sleek aluminum design
Specifications
- Color: 8 in 1
- Dimension: 4.86Lx1.39Wx0.49H
Pros
- Versatile connectivity options
- Sleek aluminum design
- High-speed data transfer
- Convenient SD/TF card reader
Cons
- Not suitable for laptop cases
- USB ports may be tight
- Heats up quickly
The MacBook Pro USB Adapter is a reliable and convenient hub that expands the connectivity options of your MacBook Pro. With its versatile ports, including a 4K HDMI port, USB 3.0 ports, Gigabit Ethernet port, and SD/TF card reader, it provides everything you need for enhanced productivity. The sleek aluminum design complements your MacBook Pro seamlessly, and the high-speed data transfer capabilities ensure efficient performance. However, it’s important to note that this adapter is not compatible with laptop cases and may heat up quickly. Overall, it’s a great accessory to maximize the functionality of your MacBook Pro.
Overall Score: 8.5/10
The OWC Thunderbolt 3 10G Ethernet Adapter allows you to securely and cost-effectively connect your Thunderbolt 3 equipped Mac or Windows PC to high-performance wired networks, delivering up to 10 times the performance of Gigabit Ethernet. With blazing-fast 10Gb Ethernet connectivity, you can enjoy real-world tested transfer speeds for large file transfers, video editing, and live streaming gaming sessions. The adapter is bus powered and energy efficient, making it ideal for noise-sensitive environments. It connects to any Thunderbolt 3 or Thunderbolt 4 computer port and supports a range of Ethernet speeds. Additionally, it is AVB ready, making it perfect for pro audio and video applications. The OWC Thunderbolt 3 10G Ethernet Adapter comes with a detachable Thunderbolt 3 cable and is compatible with macOS and Windows operating systems.
Key Features
- Securely and cost-effectively connect to high-performance networks
- Blazing-fast 10Gb Ethernet connectivity for large file transfers and live streaming gaming
- Bus powered and energy efficient
- Compatible with mac OS and Windows
Specifications
- Color: Black
- Dimension: 5.00Lx3.10Wx1.50H
Pros
- High-speed network performance
- No internal fan for noise-sensitive environments
- Easy connectivity to Thunderbolt 3 or Thunderbolt 4 ports
- AVB ready for pro audio and video applications
Cons
- Occasional heating issue
- Not compatible with OWC's Thunderbolt-4 docks
- Limited Thunderbolt pass-through capabilities
The OWC Thunderbolt 3 10G Ethernet Adapter offers a convenient way to achieve high-speed network connections for your Thunderbolt 3 equipped devices. With its blazing-fast 10Gb Ethernet connectivity, it delivers impressive real-world transfer speeds for demanding tasks. The adapter is energy efficient and suitable for noise-sensitive environments, making it a versatile choice. Despite occasional heating concerns and limited compatibility with certain OWC docks, its overall performance and AVB readiness make it an excellent option for professionals in audio and video applications. Whether you’re transferring large files, editing videos, or streaming live gaming sessions, the OWC Thunderbolt 3 10G Ethernet Adapter provides a reliable and efficient solution.
Overall Score: 8/10
The Sonnet Solo 10G Thunderbolt 3 to SFP+ 10 Gigabit Ethernet Adapter is a compact and cost-effective way to add 10GBASE-T 10GbE connectivity to your computer. With Thunderbolt 3 ports, it allows you to connect an RJ45 10 Gigabit Ethernet port. The adapter supports the NBASE-T standard, offering speeds of up to 5 Gb/s and 2.5 Gb/s over affordable Cat 5e or better cabling. It is small, silent, and bus-powered, featuring a rugged aluminum enclosure with no fan. The Sonnet Solo 10G Adapter also supports advanced features like Audio Video Bridging and Energy-Efficient Ethernet. Its black color and compact dimensions make it an ideal choice for customers seeking high-speed connectivity in a portable package. Despite some heat-related concerns and setup confusion, this adapter performs well and delivers the expected performance.
Key Features
- Adds 10GBASE-T 10Gb E Connectivity
- Supports NBASE-T Standard
- Small, Silent, and Bus-Powered
- Cost-Effective
- Advanced Features
Specifications
- Color: Black
- Dimension: 4.90Lx3.12Wx1.10H
Pros
- Affordable
- Easy to set up
- Compact and portable
- Supports advanced features
Cons
- May overheat with RJ45 SFP+ modules
- Confusing setup for some users
- Short Thunderbolt cable
The Sonnet Solo 10G Thunderbolt 3 to SFP+ 10 Gigabit Ethernet Adapter is a reliable and affordable solution for adding high-speed 10GbE connectivity to your computer. Despite some concerns about heat and confusion during setup, this adapter performs well and delivers the expected performance. Its compact size, silent operation, and bus-powered design make it a convenient choice for users on the go. The support for advanced features like Audio Video Bridging and Energy-Efficient Ethernet adds value to this adapter. However, those using RJ45 SFP+ modules should be cautious about potential overheating. Overall, the Sonnet Solo 10G Adapter is a solid choice for anyone in need of fast and reliable Ethernet connectivity.
Thunderbolt Ethernet Adapter Buyer's Guide
- Did you hear that rumble? It's the sound of lightning striking your internet connection! With a Thunderbolt Ethernet adapter, you can turbocharge your internet speed and stay connected with lightning-fast efficiency. Whether you're a gamer, a professional, or a casual internet surfer, this buyer's guide will help you navigate the thunderous world of Thunderbolt Ethernet adapters and find the perfect one for your needs.
Key Considerations
- Compatibility: Before delving into the electrifying world of Thunderbolt Ethernet adapters, it's crucial to ensure compatibility with your device. Check if your device has a Thunderbolt port or supports Thunderbolt connectivity.
- Thunderbolt Generation: Thunderbolt technology has evolved over the years, offering faster speeds and enhanced capabilities. Determine which Thunderbolt generation your device supports (e.g., Thunderbolt 2, Thunderbolt 3, or Thunderbolt 4) to choose an adapter that maximizes your device's potential.
- Ethernet Port Speed: Thunderbolt Ethernet adapters come in various speed options, so consider the speed you require. Whether it's 10/100 Mbps for standard internet usage or 1000 Mbps (Gigabit) for heavy data transfers, select an adapter that matches your speed needs.
- Cable Length: Think about how far you need your Thunderbolt Ethernet adapter to reach. Longer cable lengths offer flexibility but might compromise transfer speeds. Measure the distance between your device and network connection to ensure the cable length suits your setup.
- Portability: If you're frequently on the go, a compact and lightweight Thunderbolt Ethernet adapter is essential. Look for options that are easy to carry and don't take up much space in your bag.
- Additional Ports: Some Thunderbolt Ethernet adapters come with additional ports, such as USB or HDMI, offering extra versatility. Consider your peripheral connectivity needs and choose an adapter that accommodates them.
Comparing Thunderbolt Ethernet Adapters
To help you in your quest for the perfect Thunderbolt Ethernet adapter, here are some standout options to consider:
- Brand X ThunderFlash 3000
- Thunderbolt Generation: Thunderbolt 3
- Ethernet Port Speed: 1000 Mbps (Gigabit)
- Cable Length: 1 meter
- Portability: Ultra-compact, fits in your pocket
- Additional Ports: None
- Brand Y Stormlink 500
- Thunderbolt Generation: Thunderbolt 4
- Ethernet Port Speed: 10/100 Mbps
- Cable Length: 2 meters
- Portability: Sleek and lightweight design
- Additional Ports: 1 x USB 3.0
- Brand Z ThunderNet Elite
- Thunderbolt Generation: Thunderbolt 4
- Ethernet Port Speed: 1000 Mbps (Gigabit)
- Cable Length: 0.5 meters
- Portability: Compact and travel-friendly
- Additional Ports: 1 x HDMI
Frequently Asked Questions about 11 Best Thunderbolt Ethernet Adapter for 2023
Absolutely! Thunderbolt Ethernet adapters are compatible with MacBook Pro models that have a Thunderbolt port. Just plug it in, and you’re ready to surf at lightning speed.
Thunderbolt 4 offers the same blazing-fast data transfer speeds as Thunderbolt 3 but brings additional features like universal cable connectivity and support for multiple 4K displays. However, Thunderbolt 3 adapters can still be used with Thunderbolt 4 devices.
Yes, Thunderbolt Ethernet adapters can be used with Windows PCs that have a Thunderbolt port. Ensure your device supports Thunderbolt connectivity for seamless integration.
Unfortunately, Thunderbolt Ethernet adapters usually support a single Ethernet connection. However, adapters with additional ports like USB or HDMI may offer expanded connectivity options.
Yes, Thunderbolt Ethernet adapters are backward compatible, meaning Thunderbolt 3 or Thunderbolt 4 adapters can be used with devices that support Thunderbolt 1 or Thunderbolt 2.
